Top 10 Outstaffing Companies to Partner With

The global outstaffing market continues to expand, as companies seek cost-effective ways to access skilled developers without the burden of in-house hiring. 

Finding a reliable outstaffing partner remains challenging, as businesses often face vague pricing models, unclear responsibilities, inconsistent communication, and overpromises.  

This guide is for startup and SMB leaders, as well as non-technical founders, who view outstaffing as a strategic move. You’ll learn about the 10 leading outstaff companies to partner with, along with the main cooperation models and the key criteria for comparing providers.

Outstaffing Company: Meaning, Purpose, and Benefits 

An outstaffing company provides businesses with remote developers who are officially contracted by the provider but are entirely dedicated to the client’s projects. This model allows companies to maintain control over remote developers’ daily operations while delegating recruitment, HR, and compliance to a local partner.

IT staffing has become a go-to solution for companies that need to scale fast, cost-effectively, and without overloading their HR team. In 2024, the IT staffing market hit $240.77 billion and continued to expand. By 2035, it’s projected to reach $431.4 billion, growing steadily at an annual rate of 5.44%.

Key Benefits of Partnering With an Outstaffing Company

The main advantages of hiring tech experts through IT staff augmentation partners are:

30-50% Lower Development Costs

Through outstaffing companies, you can access global tech talent at reasonable costs and reduce administrative load. So it’s a sustainable, long-term alternative to high-overhead in-house hiring or traditional outsourcing.

Up to 2X Faster Hiring Compared to In-House

IT staff augmentation partners have effective recruitment processes and a pre-vetted talent network. So they find, interview, and onboard developers in weeks rather than months, significantly shortening hiring cycles.

Covered Administrative Support

Providers of dedicated developers team services typically handle HR, payroll, legal, and accounting tasks for your hired developers. This allows you to focus entirely on project delivery while benefiting from efficient, compliant operations.

Possibility to Quickly Scale Your Team  

With an outstaffing partner, you can bring in the right talent as your projects evolve or pause roles when priorities shift. This flexibility keeps your development team structure aligned with business goals.

These benefits enable businesses to grow steadily and confidently invest in new products, innovations, or markets. 

Models of Cooperation With an Outstaffing Partner

Outstaffing partners typically offer three collaboration formats, each designed to match your project and timelines.

Choosing the right cooperation model depends on your goals, project length, and resources. Dedicated teams offer stability, staff augmentation adds agility, and hybrid setups provide flexible scaling without losing control over quality. 

10 Leading Outstaffing Companies to Collaborate With

The global outstaffing market is growing fast, with more companies meeting the demand for flexible, high-quality engineering talent. 

Below are the top sites to hire dedicated developers and part-time experts from, selected from Clutch’s Top IT Outsourcing Service Providers and Top Custom Software Development Companies lists. The order of the list does not indicate the extent to which a vendor or platform meets your needs. Please perform your own evaluation and engage directly with any vendors you consider.

Mobilunity

Year founded: 2010

Headquarters: Kyiv, Ukraine

Number of employees: 50-249

Developers based in: Eastern Europe, globally

Key technologies/stacks: React, Node.js, Python (Django), Flutter

Key clients’ domains: Fintech & Finance, E-commerce, Real Estate & Proptech

Mobilunity stands out for its transparent outstaffing model focused on long-term partnerships. Operating from Ukraine, the company connects global clients with dedicated developers who integrate fully into their teams. Its “3 Rs” philosophy (Relationships, Recruitment, Retention) ensures teams’ stability and developers’ loyalty.

Mobilunity offers the best outstaffing services for clients in fintech, e-commerce, and IoT, helping companies scale development teams quickly. It’s also the best place to hire mobile app developers and diverse tech experts for businesses seeking full visibility into operations, cost efficiency, and reliable ongoing support. Clients value its straightforward pricing, HR management, and ability to recruit niche tech specialists within weeks.

Winged IT

Year founded: 2017

Headquarters: Katowice, Poland

Number of employees: 50 – 249

Developers based in: Eastern Europe

Key technologies/stacks: Java, .NET, Angular

Key clients’ domains: Healthcare, Finance, Retail

Being one of the top outstaffing companies in Poland, Winged IT focuses on building transparent, EU-compliant collaborations. It helps companies fill both long-term positions and short-term skill gaps, connecting them with experienced professionals in software development, DevOps, and cybersecurity. 

Winged IT works with startups and enterprises across Europe, offering flexible collaboration models and ensuring rapid access to high-quality Polish talent. Businesses choose it for its quick response times, extensive candidate base, and smooth collaboration.

Zallpy Digital

Year founded: 2009

Headquarters: Frisco, USA 

Number of employees: 50 – 249

Developers based in: Latin America

Key technologies/stacks: React, Vue.js, Node.js, PHP

Key clients’ domains: Fintech, Healthcare, Telecommunications

Zallpy Digital is a technology partner specializing in nearshore development, innovation labs, and outstaffing for enterprise clients. Zallpy Digital’s main expertise is helping companies modernize and improve their digital systems and processes, which combines software engineering, data analytics, and UX research.

Zallpy has collaborated with major financial institutions and retail brands across Latin America, helping them modernize legacy systems and build scalable solutions. It’s an excellent fit for corporations seeking nearshore collaboration in compatible time zones.

Ancient

Year founded: 2014

Headquarters: Cuernavaca, Mexico

Number of employees: 50 – 249

Developers based in: Latin America

Key technologies/stacks: React, Java, .NET

Key clients’ domains: Tech, Financial services

Ancient provides seasoned, product-focused engineers who think beyond coding and contribute to real product growth. As one of the best outstaffing companies in LATAM, it stands out for the quality of its developers, strong cultural fit, and open, transparent communication. 

Ancient partners with startups and digital product studios that require dedicated engineers who can quickly adapt and take responsibility for the outcomes. This company provides developers with expertise in web and mobile development, cloud infrastructure, and AI-driven applications.

rtCamp

Year founded: 2009

Headquarters: Pune, India

Number of employees: 50 – 249

Developers based in: India

Key technologies/stacks: WordPress (PHP), React.js, Vue.js

Key clients’ domains: Media, E-commerce, SaaS

rtCamp is a globally recognized WordPress-focused agency and an official WordPress VIP partner. It offers both software development and staff augmentation services, providing elite WordPress engineers with proven experience. Among its clients are Fortune 500 companies, publishers, and global NGOs seeking high-performance websites and scalable digital platforms. 

What sets rtCamp’s tech talent apart is that all candidates undergo a training program that covers enterprise-grade engineering practices, contributions to WordPress core, and hands-on experience from real projects. It’s a great fit for companies working within the WordPress ecosystem that need developers focused on building secure and reliable digital platforms.

Implex

Year founded: 2020

Headquarters: Kraków, Poland

Number of employees: 50 – 249

Developers based in: Eastern Europe

Key technologies/stacks: React Native, Flutter, Node.js

Key clients’ domains: Fintech, Retail, Healthcare

Implex belongs to Ukrainian outstaffing custom software development companies, as it offers a mix of outstaffing, dedicated teams, and end-to-end product development. 

What sets it apart is its consultative approach and a mix of startup agility and corporate discipline. Implex has assembled teams for healthcare, logistics, and fintech clients across Europe and the U.S. 

The company focuses on measurable results in recruitment and team performance. It’s best for SMEs and startups seeking scalable teams that adapt quickly to product pivots. Clients value Implex for its proactive support, open communication, and ability to ramp up resources in weeks.

Rootstack

Year founded: 2010

Headquarters: Panama City, Panama

Number of employees: 50 – 249

Developers based in: Latin America

Key technologies/stacks: React, Angular, Java, Python

Key clients’ domains: Financial services, Healthcare, Retail

Operating from Panama with offices in the U.S. and Colombia, Rootstack blends Latin American nearshoring with enterprise-level expertise. It specializes in web and mobile development, automation, and DevOps, offering both staff augmentation and full project delivery. Rootstack’s portfolio includes collaborations with global brands like Hyundai and Claro. 

The company’s bilingual teams and time-zone proximity make collaboration seamless for North American clients. Businesses choose Rootstack’s engineers for their balanced mix of technical precision, disciplined delivery approach, and ability to handle projects across diverse industries and technologies.

Atrax

Year founded: 2015

Headquarters: Tirana, Albania

Number of employees: 10 – 49

Developers based in: Eastern Europe

Key technologies/stacks: Node.js, React, .NET

Key clients’ domains: Technology, Manufacturing, Financial services 

Atrax focuses on connecting Western European companies with top tech talent from Central and Eastern Europe. Known for its agile outstaffing model, the company builds long-term engineering teams that integrate smoothly into clients’ workflows. Atrax’s primary differentiator is its emphasis on cultural and time-zone compatibility, which ensures daily collaboration without friction. 

It’s an excellent choice for startups and digital agencies looking to expand capacity fast without compromising quality. Clients appreciate Atrax’s responsive communication and ability to find specialists in rare technologies within short timeframes.

Beetroot AB

Year founded: 2012

Headquarters: Stockholm, Sweden

Number of employees: 250 – 999

Developers based in: Eastern Europe

Key technologies/stacks: Python (Django), React, AWS

Key clients’ domains: Finance, Education, NGOs

Founded in Sweden with development hubs across Ukraine and Bulgaria, Beetroot AB combines social impact with technology delivery. The company builds sustainable tech teams for clients in education, green tech, and health industries. 

Beetroot stands out for its strong Corporate Social Responsibility values, investing in local tech education and community development through the Beetroot Academy. It’s perfect for mission-driven businesses seeking responsible, long-term partners. Clients value Beetroot’s transparent pricing and flat communication culture.

Mind Studios

Year founded: 2013

Headquarters: Dnipro, Ukraine

Number of employees: 50 – 249

Developers based in: Eastern Europe

Key technologies/stacks: Flutter, React Native, Node.js, Python

Key clients’ domains: Healthcare, Education, Finance

Mind Studios is a Ukrainian product development company that also offers flexible outstaffing services for startups and SMBs. Its strength lies in blending strategic consulting with hands-on engineering, helping clients validate ideas, design intuitive interfaces, and scale products efficiently. 

The firm’s tech teams have contributed to the development of mobile apps, SaaS platforms, and custom enterprise systems. Mind Studios works best for founders who need a proactive technical partner rather than a task executor. Its advantage lies in deep business understanding, transparent workflows, and a reputation for turning complex ideas into functional, market-ready solutions.

As you can see, our list features not-so-famous yet popular outstaff companies that offer strong alternatives to Toptal, Arc, BairesDev, and other outstaff industry leaders. These providers offer skilled technical talent, flexibility, and transparent communication, making them a smart choice for long-term development collaborations.

6 Steps to Choose the Right Outstaffing Partner

As a seasoned tech staffing provider, we’ve created a brief step-by-step guide on how to select reliable outstaff firms that will fit your business goals.   

1. Define Your Project Goals and Scope

Start by outlining what success looks like for your project: the technologies you plan to use, the size and composition of the team, the estimated duration, and the outcomes you expect. 

2. Select the Collaboration Model

Choose the outstaffing services model that gives you the right balance of cost, control, and flexibility. Decide whether you need a dedicated team for ongoing development or staff augmentation/ on-demand developers to fill specific skill gaps. 

3. Evaluate Domain Experience

Check whether the provider has proven success in hiring experts in your industry and tech stack. Review case studies and client feedback to ensure their capabilities align with your project requirements.

4. Assess Communication and Process Transparency

Look for companies with straightforward pricing and well-documented processes, as they indicate reliability and professionalism. Select partners who tend to share progress, discuss issues openly, and arrange regular feedback sessions.

5. Check Legal Compliance 

Ensure the company complies with local and international labor laws, adheres to GDPR standards, and provides secure contracts.

This due diligence ensures your collaboration will be built on trust and accountability.

6. Explore Talent Retention Approaches

Ask your future partner to tell you about the turnover rates and share how they approach developer engagement and HR support. A provider that helps keep your developers motivated and interested in your projects will ensure long-term collaboration and consistent delivery quality.

Mobilunity Tips: Risks You Shouldn’t Overlook When Selecting an IT Staffing Provider

Mobilunity’s experience shows that companies can make costly mistakes even when selecting among the top rated outstaff companies. 

So we stress that it’s vital to notice vague pricing, unclear responsibilities, or overpromised results, etc., before they lead to communication issues, missed deadlines, or unstable team performance.

Here are the warning signs you should watch for when evaluating potential providers:

Choosing a partner solely by price. Extremely low rates often come with trade-offs like hidden costs, weaker talent, or high turnover. Instead, focus on balance and compare pricing alongside developer quality and the long-term value the partnership can bring to your business.

Ignoring time zones and communication practices. Limited overlap or unclear communication routines can derail even the best teams. Before committing, make sure your partner offers daily syncs, structured reporting, and dependable channels for real-time collaboration.

Skipping legal agreements (SOW, NDA, SLA). Always document responsibilities, confidentiality terms, and service levels clearly. Without these, you risk compliance issues, intellectual property disputes, and a lack of accountability during collaboration.

Assuming brand name equals great working experience. Large vendors often handle many clients at once, which can result in slower responses or inconsistent attention. Instead of judging by reputation alone, look deeper into how they find and pre-vet specialists and maintain communication quality.  

Neglecting retention and developer support. Ask how the provider keeps engineers motivated, engaged, and loyal. Without clear retention practices, expect frequent turnover and keep in mind that stable, well-supported teams are essential for lasting outstaffing success.

By staying alert to these red flags and evaluating each provider beyond surface impressions, businesses can secure outstaffing partnerships built on transparency, stability, and genuine long-term value.

Final Thoughts

With Mobilunity’s 15+ years of experience in tech talent acquisition, we can confirm that outstaffing has proven to be a strategic way for businesses to scale development efficiently while maintaining full control over tasks and priorities. 

By choosing a reliable partner, companies gain access to global talent, reduce costs, and ensure long-term stability, turning remote collaboration into a sustainable competitive advantage.

FAQ

Written by:

Anastasia Stefanuk

Market Researcher

Disclaimer: All salaries and prices mentioned within the article are approximate numbers based on the research done by our in-house Marketing Research Team. Please use these numbers as a reference for comparison only. Feel free to use the contact form to inquire on the specific cost of the talent according to your vacancy requirements and chosen model of engagement.